The ban has been relaxed after introducing national sub HS codes to distinguish between classes of fertilizer. Official spokesmen have claimed that the specialist fertilizer are not ‘chemical’."
https://economynext.com/sri-lanka-allows-imports-of-specialist-fertilizer-micro-nutrients-84585/?fbclid=IwAR1VRzZL54sTFXkJRpmKnGg_0_7VxxmIcMhHxTmgKlSK3pIEpiS2usdn4G0
https://www.pressreader.com/sri-lanka/daily-mirror-sri-lanka/20210805/281878711422894